Color

#3c3eaf

#3c3eaf
hex#3c3eaf
rgbrgb(60, 62, 175)
hslhsl(239, 49%, 46%)
oklchoklch(0.436 0.175 275.6)
Closest name: Blueberry (#464196)Relative luminance 0.075

Colors that go with #3c3eaf

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#afad3c

#3c77af · #733caf

#af3c3e · #3eaf3c

Split-complementary

Open in tool →

#af733c · #77af3c

#af3c77 · #afad3c · #3caf73

Contrast

#3c3eaf as textRatioAAAA largeAAAFix
Aaon white
8.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #6b6ccc as the text (4.64:1)
  • AAA: use #9192d9 as the text (7.32:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c3eaf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3c3eaf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c3eaf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3c3eaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c3eaf-a09cc4-df964e-251f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md